E. R. Sabirova
Main Bureau of Medical and Social Assessment in the Republic of Tatarstan of Mintruda of Russia
Russian Federation

Elida R. Sabirova.

420108, Kazan, Mazit Gafuri str., 71A

R. Kh. Nizamov
Main Bureau of Medical and Social Assessment in the Republic of Tatarstan of Mintruda of Russia
Russian Federation

Rigel Kh. Nizamov - candidate of medical sciences.

420108, Kazan, Mazit Gafuri str., 71A

I. M. Burykin
Kazan State Medical University of Minzdrav of Russia
Russian Federation

Igor M. Burykin - doctor of medical sciences.

420012, Kazan, Butlerov str., 49